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How to use assertThatCollection method of org.assertj.core.api.CollectionAssert class

Best Assertj code snippet using org.assertj.core.api.CollectionAssert.assertThatCollection

Source:AssertionsForInterfaceTypes.java

...146   * @return the created assertion object.147   * @since 3.21.0148   */149  public static <E> AbstractCollectionAssert<?, Collection<? extends E>, E, ObjectAssert<E>> assertThat(Collection<? extends E> actual) {150    return CollectionAssert.assertThatCollection(actual);151  }152  /**153   * Creates a new instance of <code>{@link CollectionAssert}</code>.154   * <p>155   * Use this over {@link #assertThat(Collection)} in case of ambiguous method resolution when the object under test 156   * implements several interfaces Assertj provides <code>assertThat</code> for. 157   *158   * @param <E> the type of elements.159   * @param actual the actual value.160   * @return the created assertion object.161   * @since 3.23.0162   */163  public static <E> AbstractCollectionAssert<?, Collection<? extends E>, E, ObjectAssert<E>> assertThatCollection(Collection<? extends E> actual) {164    return assertThat(actual);165  }166  /**167   * Creates a new instance of <code>{@link ListAssert}</code>.168   *169   * @param <ELEMENT> the type of elements.170   * @param actual the actual value.171   * @return the created assertion object.172   */173  public static <ELEMENT> ListAssert<ELEMENT> assertThat(List<? extends ELEMENT> actual) {174    return ListAssert.assertThatList(actual);175  }176  /**177   * Creates a new instance of <code>{@link ListAssert}</code>....

Source:CollectionAssert.java

...24 * @since 3.21.025 */26public class CollectionAssert<ELEMENT> extends27    AbstractCollectionAssert<CollectionAssert<ELEMENT>, Collection<? extends ELEMENT>, ELEMENT, ObjectAssert<ELEMENT>> {28  public static <E> AbstractCollectionAssert<?, Collection<? extends E>, E, ObjectAssert<E>> assertThatCollection(Collection<? extends E> actual) {29    return new CollectionAssert<>(actual);30  }31  public CollectionAssert(Collection<? extends ELEMENT> actual) {32    super(actual, CollectionAssert.class);33  }34  @Override35  protected ObjectAssert<ELEMENT> toAssert(ELEMENT value, String description) {36    return new ObjectAssertFactory<ELEMENT>().createAssert(value).as(description);37  }38  @Override39  protected CollectionAssert<ELEMENT> newAbstractIterableAssert(Iterable<? extends ELEMENT> iterable) {40    return new CollectionAssert<>(newArrayList(iterable));41  }42}...

assertThatCollection

Using AI Code Generation

1import java.util.ArrayList;2import java.util.List;3import org.assertj.core.api.Assertions;4import org.assertj.core.api.CollectionAssert;5public class 1 {6    public static void main(String[] args) {7        List<String> list = new ArrayList<>();8        list.add("one");9        list.add("two");10        list.add("three");11        CollectionAssert<String> collectionAssert = Assertions.assertThat(list);12        collectionAssert.contains("one");13        collectionAssert.contains("two");14        collectionAssert.contains("three");15    }16}17import org.assertj.core

assertThatCollection

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatCollection;2import java.util.ArrayList;3import java.util.List;4public class CollectionAssert {5   public static void main(String[] args) {6      List<Integer> list1 = new ArrayList<>();7      list1.add(1);8      list1.add(2);9      list1.add(3);10      list1.add(4);11      List<Integer> list2 = new ArrayList<>();12      list2.add(1);13      list2.add(2);14      list2.add(3);15      list2.add(4);16      assertThatCollection(list1).containsExactlyInAnyOrderElementsOf(list2);17   }18}19to contain exactly (and in same order) the following elements:20import static org.assertj.core.api.Assertions.assertThatCollection;21import java.util.ArrayList;22import java.util.List;23public class CollectionAssert {24   public static void main(String[] args) {25      List<Integer> list1 = new ArrayList<>();26      list1.add(1);27      list1.add(2);28      list1.add(3);29      list1.add(4);30      List<Integer> list2 = new ArrayList<>();31      list2.add(1);32      list2.add(2);33      list2.add(3);34      list2.add(4);35      list2.add(5);36      assertThatCollection(list1).containsExactlyInAnyOrderElementsOf(list2);37   }38}39to contain exactly (and in same order) the following elements:40import static org.assertj.core.api.Assertions.assertThatCollection;41import java.util.ArrayList;42import java.util.List;43public class CollectionAssert {44   public static void main(String[] args) {

assertThatCollection

Using AI Code Generation

1import java.util.Arrays;2import java.util.List;3import org.assertj.core.api.Assertions;4public class CollectionAssertExample {5    public static void main(String[] args) {6        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);7        Assertions.assertThat(list).as("List of numbers").contains(1, 2, 3);8    }9}10public static <E> CollectionAssert<E> assertThatCollection(Collection<E> actual)11import java.util.Arrays;12import java.util.List;13import org.assertj.core.api.Assertions;14public class CollectionAssertExample {15    public static void main(String[] args) {16        List<Integer> list = Arrays.asList(1, 2, 3, 4, 5);17        Assertions.assertThat(list).as("List of numbers").contains(1, 2, 3);18    }19}

assertThatCollection

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatCollection;2import java.util.ArrayList;3import java.util.List;4public class AssertJCollectionAssert {5    public static void main(String[] args) {6        List<String> list = new ArrayList<>();7        list.add("one");8        list.add("two");9        list.add("three");10        list.add("four");11        list.add("five");12        assertThatCollection(list).hasSize(5).contains("one", "two")13                .containsOnlyOnce("two", "three").containsSequence("two", "three")14                .doesNotContain("six").doesNotHaveDuplicates()15                .endsWith("five").startsWith("one");16    }17}

assertThatCollection

Using AI Code Generation

1import org.junit.Test;2import java.util.ArrayList;3import java.util.List;4import static org.assertj.core.api.Assertions.assertThatCollection;5public class AssertJCollectionAssertTest {6    public void testAssertThatCollection() {7        List<String> list = new ArrayList<String>();8        list.add("one");9        list.add("two");10        list.add("three");11        assertThatCollection(list).contains("one", "two");12    }13}14import org.junit.Test;15import java.util.ArrayList;16import java.util.List;17import static org.assertj.core.api.Assertions.assertThatCollection;18public class AssertJCollectionAssertTest {19    public void testAssertThatCollection() {20        List<String> list = new ArrayList<String>();21        list.add("one");22        list.add("two");23        list.add("three");24        assertThatCollection(list).containsOnly("one", "two", "three");25    }26}27import org.junit.Test;28import java.util.ArrayList;29import java.util.List;30import static org.assertj.core.api.Assertions.assertThatCollection;31public class AssertJCollectionAssertTest {32    public void testAssertThatCollection() {33        List<String> list = new ArrayList<String>();34        list.add("one");35        list.add("two");36        list.add("three");37        assertThatCollection(list).containsExactly("one", "two", "three");38    }39}

assertThatCollection

Using AI Code Generation

1import org.assertj.core.api.CollectionAssert;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import java.util.ArrayList;5import java.util.List;6public class AssertThatCollection {7    public void testAssertThatCollection() {8        List<String> list = new ArrayList<>();9        list.add("A");10        list.add("B");11        list.add("C");12        CollectionAssert collectionAssert = Assertions.assertThat(list);

assertThatCollection

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThatCollection;2import java.util.ArrayList;3import java.util.List;4class CollectionAssertTest {5   public static void main(String args[]) {6      List<String> list = new ArrayList<String>();7      list.add("java");8      list.add("python");9      list.add("perl");10      list.add("ruby");11      assertThatCollection(list).contains("java", "python");12   }13}

assertThatCollection

Using AI Code Generation

1import java.util.List;2import java.util.ArrayList;3import org.assertj.core.api.CollectionAssert;4public class CollectionAssertTest {5  public static void main(String[] args) {6    List<String> list = new ArrayList<>();7    list.add("one");8    list.add("two");9    list.add("three");10    CollectionAssert<String> collectionAssert = new CollectionAssert<>(list);11    collectionAssert.contains("one", "two", "three");12  }13}

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